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29 lines
2.2 KiB
Markdown
29 lines
2.2 KiB
Markdown
---
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title: "How to: Animate Camera Position and Direction Using Key Frames"
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ms.date: "03/30/2017"
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helpviewer_keywords:
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- "animation [WPF], camera direction with key frames"
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- "key frames [WPF], animating camera direction"
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- "animation [WPF], camera position with key frames"
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- "camera position [WPF], animating with key frames"
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- "key frames [WPF], animating camera position"
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- "camera direction [WPF], animating with key frames"
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ms.assetid: 5753024e-0057-454d-947f-43ea686879c7
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---
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# How to: Animate Camera Position and Direction Using Key Frames
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In the following example, <xref:System.Windows.Media.Animation.Point3DAnimationUsingKeyFrames> is used to animate the position of a <xref:System.Windows.Media.Media3D.PerspectiveCamera> in a 3D scene. In addition, <xref:System.Windows.Media.Animation.Vector3DAnimationUsingKeyFrames> is used to animate the direction the camera is pointing in the 3D scene. Both of these animations use several key frames which create a series of animation effects:
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1. <xref:System.Windows.Media.Animation.LinearPoint3DKeyFrame> and <xref:System.Windows.Media.Animation.LinearVector3DKeyFrame> are used to create a smooth, linear interpolation between values.
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2. <xref:System.Windows.Media.Animation.DiscretePoint3DKeyFrame> and <xref:System.Windows.Media.Animation.DiscreteVector3DKeyFrame> are used to create sudden "jumps" between values (no interpolation).
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3. <xref:System.Windows.Media.Animation.SplinePoint3DKeyFrame> and <xref:System.Windows.Media.Animation.SplineVector3DKeyFrame> are used to create a variable transition between values depending on the <xref:System.Windows.Media.Animation.SplinePoint3DKeyFrame.KeySpline%2A> property. In the example below, the animation starts off slow but toward the end of the time segment, speeds up exponentially.
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## Example
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[!code-xaml[Animation3DGallery_snip#PointVector3DAnimationUsingKeyFramesExampleWholePage](~/samples/snippets/csharp/VS_Snippets_Wpf/Animation3DGallery_snip/CS/PointVector3DAnimationUsingKeyFramesExample.xaml#pointvector3danimationusingkeyframesexamplewholepage)]
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## See also
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- [Animate Camera Position and Direction in a 3D Scene](how-to-animate-camera-position-and-direction-in-a-3d-scene.md)
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- [3D Graphics Overview](3-d-graphics-overview.md)
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